Indicator for fallen drop wires



Oct. 6, 1931. o. v. PAYNE INDICATOR FOR FALLEN DROP WIRES Filed Feb. 21. 1950 2 Sheets-Sheet l INVENT R I 75ARMPA YNE A77'0HNEY5' 0. V. PAYNE INDICATOR FDRFALLEN DROP WIRES Filed F'eb. 21. 1930 2 Sheets-Sheet 2 INVENTUR 75 EAR V. PA YNE A fiz/zlvzys 7:7

Patented Oct. 6, 1931 "current Sen-Es PATENT OFFICE oscimt; v." PAYNE, on wonens rit'ng- MfissAcHusEm'rs; 'ATSSIGNQR' 'ro' CRO-MPTQN? 86:

nnownnsnoun worms; on ruess-iiei'rn'sr ir'rs WoncEs'rEn, mnssacnusnrms, AT GORPQRATION or mmcmon-ronmrrnr DIR-P WIRES Application filed Februaryr21,, 193c.., Serial; No; 430,407..

/ This: invention relates to looms in, which a Warp stop motion is provided and! which a-drop WlT-G'f-ZLHS uponthe breakageof a. warp 1x5 thread. In silk looms or any other looms using very fine'warps, the drop Wires are banked very closelyjtogether and it is often diflicult to locate the fallen Wire after. the

looms'topse It istherobjeet of inventionto provide an indicating device by which the location of the fallen: drop wire maybe quickly discovered and readily disclosed to the weaver:

In the-preferred form of. the invention, the disclosure or indication ismade by a. small electric bulb Whichisilluminated when. contact 'ismade with the' fallend rop Wll'zw hil y-invention iurther relates to arrangemGHiSS: and combinations of parts which will 3520 berhereinafter describedandmore particulari pointed! out in. the appended: claims.

A-Jpreferred form o'f the invention is shown inthedrawvingsyin which Y Fig; 1 isaplanview ot. a stop motion ena- 2325 bodying my improvements;

, Figs. 2 and-3- a-resectional sideelevations, taken along the} lines 2 2and :33 inFig. 1.; Fig-44s a detailtrontelevatiomlooking in- -the dinection 'of the-arrow inFig, 3

- Fig-t5 is-adetail-sectionalrview taken along tire-line in-Figv3yand Fig. Grisadetaibsectional view,takenalong the";line. 6 in liigel;- r

Referring tothedrawings, I have shown portions-ot-a loom" tra me, supporting brackets :12; in whicha angle bars "14 are nroi'intechr The-bars l lprovide supports for a stop motion comprising: several banks 7 of drop" Wires' W arranged on-cross rods 16.. As :shownlthe' dratwings, the stop motion is of the electrical type but my invention is not limited particular type of stop mo- 7 ti'on and-is equallyapplicable to a many types threads T'and? arefmaintained in raised posiat I mechanicallzy indicated. stop motions;

The? Wires W'are strung on the Warp tion so long: asthe threads are unbroken If a thread breaks,;-the associated drop'wire W frillsththeposition indicated;atI W" in, Big.

' th sspo t ena :l'eh W i and clamping screws 23'. The bar is pref erably insulated electrically from the projections 21 and plates 22,, as indicated at 24: inFi'gLQ.

A Wire 25 (Fig. ,1), connected to one side Of-V an electric circuit, is secured to the bar 20rbctween the projections 21.- A support isfreel y vsli-dable onthe bar 20 and is providedwith a rearwardly extending bracket or plat eiil'w (Fig. 3 on which a lamp socket 32 is'mounted. A; small electric bulb is inserted in: the-sockct 32 and one terminal of the socket is connected throughthe bracket Stand: support 30I-t'o the cross bar 20. The other terminal of the socket 32" is connected by a wire 40 tea contactmember 41 mounted son butinsulated from the sliding support 30. The method of "mounting; the member 41 onthe support 30 andse'curingthe ire. 40 thereto is clearly indicated in Fig. 5. Strips of! insulating material 42 and 43 are provided at each side of the support 30'' and an insu lating bushing 44L surrounds the binding screw Q5 The other side of the electriccircuitpis grounded to the 100111 trame and is connected through the stop motion supports:

"the electric bulb 33', causing the bulb to be immediately illuminatechthus clearly indicatin the position o therfalle drop wire:

i f the "support 30 are;

below the warp threads T, it is not very convenient for the weaver to grasp and move the support 30. Accordingly I have provided means by which the support may be readily moved from a point above the warp.

For this purpose I provide brackets 50 (Fig. 6) clamped to end portions of the cross bar 20 and having upper and lower bushings or guide eyes 51 and 52 for a cord 54 which extends through the brackets and guide eyes and has its opposite ends secured E9 the sliding support 30, as indicated in 'Ihe brackets 50 extend up through the warp between certain of the warp threads and the upper bushings 51 are above the warp. Consequently the upper run of the cord 54 is also above the warp and in a position readily accessible by the weaver from either side of the loom. The electric bulb 33, while below the warp, can be readily seen through the warp when illuminated by contact with a fallen. drop wire.

I have thus provided for easy and rapid indication of the location of a fallen drop wire, which indication may be given without requiring the weaver to make any search for the fallen drop wire or to attempt to look under the warp and stop motion to determine the position of the fallen wire. The weaver is thus enabled to determine very quickly whether or not the loom has been stopped by the warp stop motion and if so, the exact location of the fallen drop wire.

Not only does the light indicate the general location of the fallen wire, but the fallen wire is rocked upon the contact bar 16 when engaged by the cross bar 41 and such rocking movement of the fallen wire separates the adjacent drop wires and warp threads, giving a further and more specific indication of the exact location of the fallen wire.

Having thus described my invention and the advantages thereof, I do not wish to be limited to the details herein disclosed, otherwise than as set forth in the claims, but what I claim is 1. In a loom having a warp stop motion using a plurality of drop wires, an indicat ing device comprising a contact member sep- ,arate and additional to said warp stop motion and manually movable along a predetermined path crosswise of the loom below the stop motion, and means to give a visual indication when said member engages a fallen drop wire.

2. In a loom having a warp stop motion using a plurality of drop wires, an indicating device comprising a contact member movable crosswise of the loom below the stop motion, an electric bulb, and an electric circuit for said bulb adapted to be closed when said member engages a fallen drop wire.

3. In a loom having a warp stop motion using a plurallty of drop wires, an indieating device comprising a contact member movable crosswise of the loom below the stop motion, an electric bulb movable with said member, and an electric circuit for said bulb adapted to be closed when said member engages a fallen drop wire.

4:. In a loom having a warp stop motion using a plurality of drop wires, an indicating device comprising a contact member separate and additional to said warp stop motion and movable along a predetermined path crosswise of the loom below the stop motion, means to give a visual indication when said member engages a fallen drop wire, and manual means to move said member crosswise of the loom.

5. In a loom having a warp stop motion using a plurality of drop wires, an indicating device comprising a contact member separate and additional to said warp stop motion and movable along a predetermined path crosswise of the loom below the stop motion, means to give a visual indication when said member engages a fallen drop wire, and manuallyoperated means to move said member .1.

crosswise of the loom. I

6. The combination in a loom as set forth in claim 5, in which said manually operated means comprises a cord extending crosswise of the loom above the warp and accessible from either side of the loom.

7 The combination in a loom as set forth in claim 5, in which said manually operated means comprises a cord extending crosswise of the loom above the warp and accessible from either side of the loom, the ends of said cord being connected to said contact member below the warp and said cord being effective for movement of said member in both directions.

8. In a loom having a warp stop motion using a plurality of drop wires, an indicating device comprising a contact member movable crosswise of the loom below the stop motion. an insulated cross bar mounted in fixed 1i pos1t1on, a support for said member slidable on said cross bar, an electric bulb mounted on said support, an electric connection from said cross bar to one terminal of said bulb, an electric connection from the other terminal of said bulb to said contact member, said member being insulated from said slidable support and said cross bar being connected to one side of an electric circuit while the fallen drop wire is connected through the stop motion to the other side of the circuit. 9. In a loom having a warp stop motion using a plurality of drop wires, an indicating device comprising a contact member movable crosswise of the loom below the stop motion. and means to give a signal when said member engages a fallen drop wire.

10. In a loom having a warp stop motion using a plurality of drop wires, an indicating device comprising a contact member separate and additional to the warp stop motion and manually movable along a predetermined path crosswise of the loom below the stop motion and relative thereto, said contact member causing rocking movement of the relative to said contact bar, said means being effective to engage and rock a fallen drop wire about its point of contact with said contact bar, thereby separating adjacent drop wires and warp threads and indicating the location of the broken warp thread.

In testimony whereof I have hereunto affixedmy signature.

OSCAR V. PAYNE. 

